21038554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5783}}^1$

素因数の和:5909

約数の個数: 16

約数和(自身を含む): 33732288

約数和(自身を除く): 12693734

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5783, 11566, 98311, 196622, 618781, 1237562, 10519277, 21038554]

約数ペア:

[(1, 21038554), (2, 10519277), (17, 1237562), (34, 618781), (107, 196622), (214, 98311), (1819, 11566), (3638, 5783)]